- The definition of zealous is having passionate energy for a belief or purpose.
An example of zealous is a preacher in an energetic church.
zealous definition by Webster's New World
full of, characterized by, or showing zeal; ardently devoted to a purpose; fervent; enthusiastic
Origin: Midieval Latin zelosus ; from Ecclesiastical Late Latin zelus: see zeal
zealous definition by American Heritage Dictionary
Filled with or motivated by zeal; fervent.
- zealˈous·ly adverb
- zealˈous·ness noun